export const createLocalStorageCache = () => {
const cache = new WeakMap();
const updateLocalStorage = () => {
const cacheData = JSON.stringify(Array.from(cache.entries()));
localStorage.setItem('cache', cacheData);
};
const initializeCacheFromLocalStorage = () => {
const cacheData = localStorage.getItem('cache');
if (cacheData) {
const entries = JSON.parse(cacheData);
entries.forEach(([key, value]) => {
cache.set(key, value);
});
}
};
const setCache = (key, value) => {
cache.set(key, value);
updateLocalStorage();
};
const getCache = (key) => cache.get(key);
const removeCache = (key) => {
cache.delete(key);
updateLocalStorage();
};
const clearCache = () => {
cache.clear();
updateLocalStorage();
};
const setCacheWithExpiry = (key, value, ttl) => {
const now = new Date();
const item = {
value,
expiry: now.getTime() + ttl,
};
setCache(key, item);
};
const getCacheWithExpiry = (key) => {
const item = getCache(key);
if (!item) {
return null;
}
const now = new Date();
if (now.getTime() > item.expiry) {
removeCache(key);
return null;
}
return item.value;
};
initializeCacheFromLocalStorage();
return {
setCache,
getCache,
removeCache,
clearCache,
setCacheWithExpiry,
getCacheWithExpiry,
};
};
